Home / 8,080.60-12,115.50-6,522.52

Finding the Fourth Proportional to 8,080.60, 12,115.50 and 6,522.52

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Solution

The fourth proportional to 8,080.60, 12,115.50 and 6,522.52 is: 9,779.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.60 : 12,115.50 = 6,522.52 : x
  2. Step 2: Convert to fraction form
    8,080.60/12,115.50 = 6,522.52/x
  3. Step 3: Cross multiply
    8,080.60x = 12,115.50 × 6,522.52
  4. Step 4: Simplify right side
    8,080.60x = 79,023,591.06
  5. Step 5: Solve for x
    x = 79,023,591.06/8,080.60
  6. Step 6: Final answer
    x = 9,779.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.